Turn on the first for one min and then turn it off. ; H7 \* s( t9 _" s; Z/ W( Z. kTurn on the 2nd for five min and then turn it off.- r$ n4 `& P, _ m5 i: Y* m$ W
Turn on the 3rd and leave it on. - m" d4 s! C f+ X. m3 NAnd then go upstairs right away.* c3 l" v7 B4 S9 s/ |
! W/ }6 H3 R$ \7 d8 e' p5 a
Find the answer by using your fingers and eyes/ H4 x0 R/ y. U
这只是一个智力问题,不象是电工问题。
原帖由 老警察 于 2009-1-16 07:12 发表 + V+ @( z+ \" Q% \0 x8 _Turn on the first for one min and then turn it off./ ^ d; y9 Y/ J) o4 \6 p4 O
Turn on the 2nd for five min and then turn it off. " R! _. N& z; D8 q& X8 g! \Turn on the 3rd and leave it on. # B; z$ I0 H8 x3 ]* eAnd then go upstairs right away. 9 w: @8 @9 w- A, r3 w. v: |2 L6 x7 }3 j/ a/ U
Find the answer by using ...